TWI239725B - Transport block set segmentation - Google Patents

Transport block set segmentation Download PDF

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Publication number
TWI239725B
TWI239725B TW92102975A TW92102975A TWI239725B TW I239725 B TWI239725 B TW I239725B TW 92102975 A TW92102975 A TW 92102975A TW 92102975 A TW92102975 A TW 92102975A TW I239725 B TWI239725 B TW I239725B
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Taiwan
Prior art keywords
block set
segment
coding
segments
transmission block
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TW92102975A
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Chinese (zh)
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TW200303662A (en
Inventor
Stephen E Terry
Nader Bolourchi
Ariela Zeira
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Interdigital Tech Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management
    • H04L1/1845—Combining techniques, e.g. code combining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1874—Buffer management
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

Data of a transport block set is to be transmitted in a wireless communication system. The wireless communication system uses adaptive modulation and coding and has a physical layer hybrid automat repeal request mechanism. Segmentation information for potential segmentation of the transport block set is provided. The transport block set is transmitted with a first specified modulation and coding scheme. The transport bock set is received and whether the received transport block set is determined to meet a specified quality. When the specified quality is not met, a repeat request is transmitted. The first specified modulation and coding set is changed to a second specified modulation and coding set. In response to the repeat request, the transmit block set is segmented into a plurality of segments supported by the second specified modulation and coding set in accordance with the provided segmentation information. The segments are transmitted and at least two of the segments are transmitted separately. The transmitted segments are received. The segmentation process may be applied more than once for a particular TBS transmission.

Description

玖、發明說明： 〔發明領域〕 本發明大體上與無線通信系統有關。特別地，本發明與 在應用了自適性調變和編碼（AMC)、與混合的自動重送諝求 (H-ARQ)技術這樣的系統中之資料傳輸有關。 〔發明背景〕 在無線通信系統中，例如使用分碼多重存取（CDMA)或正 交分頻多工（OFDM)系統的第三代合作計畫（3GPP)分時雙工 (TDD)或分頻雙工（FDD)通信系統，AMC被用來最佳化空中 資源的使用。 · 用來傳送資料的調變和編碼方法（集合）依無線頻道條件 而變。為了舉例說明，資料編碼類型（例如渦輪式對迴旋式 編碼）、編碼速率、CDMA系統的展頻係數、調變類型[例如 正交相移鍵控M-磊（M-ary)相移鍵控對M-磊（M-ary)正交振幅 調變]、及/或一 OFDM系統的一些子載波可能改變。如果頻 道特性增進，一較低的資料重複性及/或“較不堅實”調變和 編碼集合用來傳遞資料。結果，對無線電資源的一特定配 置，傳輸了更多使用者資料，造成一更高的有效資料傳送鲁 速率。相反地，如果頻道特性降低，一較高的資料重複性 及/或“較堅實”調變和編碼集合用來傳遞較少的使用者資 料。使用AMC，可較好的維持在空中資源利用和服務品質 (QOS)之間的一最佳化。 資料在此種系統中被接收，以在傳輸時間間隔（TTIs)中於 空中介面上傳遞。在一 TTI當中傳送到—特定使用者裝置的 資料稱為一傳輸區塊集（TBS)。對於一種特定的空中資源配 6 置來說，一較不堅實的調變和編碼集合允許較大的TBS大 小，而一較堅實的調變和編碼集合只允許較小的TBS大小。 結果，對一特定的無線電資源配置的調變和編碼集合，指 定在一特定TTI中可支援的TBS之最大大小。 在這樣的系統中，可能使用一混合的自動重送（H-ARQ) 請求機制來維持QOS並增進無線電資源效率。使用H-ARQ的 —種系統顯示在圖1中。一發射器20使用一特定的調變和編 碼集合在空中介面上傳送一TBS。TBS由一接收器26接收。 —H-ARQ解碼器30解碼所接收的TBS。如果所接收資料的品 質無法接收，——ARQ發射器28請求TBS的重新傳送。檢查所 接收TBS的品質之一種方式是循環冗餘查核（CRC)。一 ARQ 接收器22接收請求，而TBS的重新傳送由發射器20進行。為 了增加成功傳送的可能性，重新傳送可能應用一更堅實的 調變和編碼集合。Η-ARQ解碼器30結合所接收TBS的這些版 本。結合的一個需求是所結合TBS大小是相同的。如果產生 的品質仍然不夠，請求另一次重新傳送。如果產生的品質 是足夠的，使得所結合的TBS通過CRC檢查，釋出所接收的 TBS供進一步處理。Η-ARQ機制允許有無法接收的品質之所 接收資料儘可能地以一更堅實的調變和編碼集合（MCS)重 新傳輸，以確保成功的傳送並維持所需的QOS。 另一種方式是使用舊的調變和編碼集合來重新傳送 TBS。然而，如果頻道條件需要使用一更堅實的調變和編碼 集合、或初始的傳輸分別地有錯，所重新傳送的TBSs之結 合可能無法通過，造成一傳輸失敗。 在使用Η-ARQ和AMC兩者的系統中，可能必要決定調變和 編碼集合的改變，以達成一所請求TBS重新傳送的成功傳 送。在這種情形中，在TTI當中所允許的實際資料位元之最 大量因調變和編碼集合而變。 由於每一 TTI只存在一 TBS ,對應於TBS大小的有效使用者 資料傳送速率應用於每一 TTI。為了達到最大資料傳送速 率，在TTI當中最大TBS大小應用於最不堅實調變和編碼集 合。當無線頻道條件需要一更堅實的調變和編碼集合以成 功地傳輸時，這樣的一 TBS大小無法在TTI當中支援。因此， 每次實施一更堅實的調變和編碼需求，在H-ARQ程序中有不 為此MCS所支援的TBS大小、且尚未成功地確認的所有未解 決傳送被捨棄。 在目前的實施中，當一 TBS無法利用AMC和H-ARQ機制成 功地傳輸時，還原由無線電鏈結控制（RLC)協定（在第二層） 處理。不像失敗的傳輸之H-ARQ還原，RLC錯誤偵測、佇列 在節點-B中的TBS之資料還原和緩衝儲存，造成增加的傳送 頻道區塊錯誤率和傳輸潛伏時間，可能造成滿足QOS需求的 失敗。 因此，需要有其他可能的方式來還原此種系統中的不 成功傳輸，以在應用了 AMC和H-ARQ技術時允許支援高資料 傳送速率。 〔發明概述〕 一傳輸區塊集的資料要在一無線通信系統中傳輸。無線 通信系統使用自適性調變和編碼，且有一混合的自動重送 請求機制。提供了傳輸區塊集的可能分段之分段資訊。傳 輸區塊集以一第一規定調變和編碼方法傳輸。接收傳輸區 8(Ii) Description of the invention: [Field of the invention] The present invention relates generally to wireless communication systems. In particular, the present invention relates to data transmission in systems such as adaptive modulation and coding (AMC), and hybrid automatic repeat request (H-ARQ) technology. [Background of the Invention] In a wireless communication system, for example, a 3rd Generation Partnership Project (3GPP) time division duplex (TDD) or time division duplexing using a code division multiple access (CDMA) or orthogonal frequency division multiplexing (OFDM) system Frequency Duplex (FDD) communication system, AMC is used to optimize the use of air resources. • The modulation and coding method (collection) used to transmit the data varies depending on the wireless channel conditions. To illustrate, the type of data coding (such as turbo vs. convolutional coding), coding rate, spreading factor of CDMA system, modulation type [such as quadrature phase shift keying M-ary (M-ary) phase shift keying M-ary quadrature amplitude modulation], and / or some subcarriers of an OFDM system may change. If channel characteristics improve, a lower data repeatability and / or "less solid" modulation and coding set is used to pass the data. As a result, for a particular configuration of radio resources, more user data is transmitted, resulting in a higher effective data transmission rate. Conversely, if channel characteristics are reduced, a higher data repeatability and / or "more solid" modulation and coding set is used to deliver less user data. With AMC, an optimization between air resource utilization and quality of service (QOS) can be better maintained. Data is received in such systems for transmission over the air interface during transmission time intervals (TTIs). The data transmitted to a specific user device in a TTI is called a Transport Block Set (TBS). For a particular air resource configuration, a less robust modulation and coding set allows a larger TBS size, while a more solid modulation and coding set allows only a smaller TBS size. As a result, the modulation and coding set for a particular radio resource configuration specifies the maximum size of TBS that can be supported in a particular TTI. In such a system, a hybrid automatic repeat (H-ARQ) request mechanism may be used to maintain QOS and improve radio resource efficiency. A system using H-ARQ is shown in Figure 1. A transmitter 20 transmits a TBS over the air interface using a specific set of modulation and coding. The TBS is received by a receiver 26. —H-ARQ decoder 30 decodes the received TBS. If the quality of the received data cannot be received, the ARQ transmitter 28 requests a retransmission of the TBS. One way to check the quality of the received TBS is a cyclic redundancy check (CRC). An ARQ receiver 22 receives the request, and the TBS retransmission is performed by the transmitter 20. To increase the probability of a successful transmission, retransmissions may apply a more solid set of modulation and coding. The Η-ARQ decoder 30 combines these versions of the received TBS. One requirement for the combination is that the combined TBS sizes are the same. If the quality produced is still insufficient, another retransmission is requested. If the quality produced is sufficient, the combined TBS passes the CRC check and the received TBS is released for further processing. The AR-ARQ mechanism allows received data with unreceivable quality to be retransmitted as much as possible with a more robust modulation and coding set (MCS) to ensure successful transmission and maintain the required QOS. Another way is to retransmit the TBS using the old modulation and coding set. However, if the channel conditions require the use of a more solid set of modulation and coding, or the initial transmission is wrong separately, the combination of retransmitted TBSs may fail to pass, resulting in a transmission failure. In systems using both Η-ARQ and AMC, it may be necessary to decide on modulation and change of coding set to achieve a successful transmission of the requested TBS retransmission. In this case, the maximum number of actual data bits allowed in the TTI varies due to the modulation and coding set. Since there is only one TBS per TTI, an effective user data transfer rate corresponding to the TBS size is applied to each TTI. In order to achieve the maximum data transfer rate, the maximum TBS size among TTIs is applied to the least robust modulation and coding set. When wireless channel conditions require a more solid set of modulation and coding for successful transmission, such a TBS size cannot be supported in TTI. Therefore, each time a more solid modulation and coding requirement is implemented, all pending transmissions in the H-ARQ procedure that have TBS sizes that are not supported by this MCS and have not been successfully confirmed are discarded. In the current implementation, when a TBS cannot be successfully transmitted using AMC and H-ARQ machines, the restoration is handled by the Radio Link Control (RLC) protocol (at the second layer). Unlike H-ARQ restoration of failed transmissions, RLC error detection, TBS data restoration and buffer storage queued in Node-B, resulting in increased transmission channel block error rate and transmission latency, which may cause QOS compliance Failure of demand. Therefore, there is a need for other possible ways to restore unsuccessful transmissions in such systems to allow the support of high data transfer rates when AMC and H-ARQ technologies are applied. [Overview of Invention] The data of a transmission block set is to be transmitted in a wireless communication system. Wireless communication systems use adaptive modulation and coding, and have a hybrid automatic retransmission request mechanism. Provides segmentation information for possible segments of the transport block set. The set of transmission blocks is transmitted using a first prescribed modulation and coding method. Receive transmission area 8

塊集，且判斷所接收的傳輸區塊集是否滿足一規定品質。 當未滿足規定品質時，傳輸出一重送請求。第一規定調變 和編碼集合改變成一第二規定調變和編碼集合。在重送請 求之後，傳輸區塊集依照所提供的分段資訊，分段成第二 規定調變和編碼集合所支援之複數個分段。傳輸那些分 段，且分段中的至少二個分開地傳輸。接收所傳輸的分段。 可對一特定的傳輸區塊集（TBS)傳輸應用一個以上的分段 程序。 〔圖式之簡單說明〕 圖1是一無線混合自動重送請求（H-ARQ)通信系統的具體 實施例。 圖2是分段的傳輸區塊集（TBS)之一實例。 圖3A是有頻帶外傳送的一控制訊息之分段的傳輸區塊集 之實例。 圖3B是具有分段識別符之分段的傳輸區塊集之實例。 圖3C是有頻帶外傳送的分段識別符之分段的傳輸區塊集 之寅例。 圖4是具有傳輸序號碼之分段的傳輸區塊集之實例。 圖5是一分段的傳輸區塊集無線通信系統之一具體實施 例。 圖6是分段一傳輸區塊集的流程圖。 圖7是分段一傳输區瑰集成為三個分段之實例。 〔較佳實施例之詳細說明〕 !二1Block set, and determine whether the received transmission block set meets a prescribed quality. When the specified quality is not met, a resend request is transmitted. The first prescribed modulation and coding set is changed into a second prescribed modulation and coding set. After the retransmission request, the transmission block set is segmented into a plurality of segments supported by the second prescribed modulation and coding set according to the provided segmentation information. Those segments are transmitted, and at least two of the segments are transmitted separately. Receive the transmitted segment. More than one segmentation procedure can be applied to a particular Transport Block Set (TBS) transmission. [Brief Description of the Drawings] Fig. 1 is a specific embodiment of a wireless hybrid automatic repeat request (H-ARQ) communication system. Figure 2 is an example of a segmented transmission block set (TBS). Figure 3A is an example of a segmented transport block set with a control message transmitted out of band. FIG. 3B is an example of a segmented transport block set with a segment identifier. Figure 3C is an example of a segmented transport block set with a segment identifier transmitted out of band. Figure 4 is an example of a segmented transport block set with a transmission sequence number. Fig. 5 is a specific embodiment of a segmented transmission block set wireless communication system. FIG. 6 is a flowchart of segmenting a transmission block set. FIG. 7 is an example in which a segment-transmission area is integrated into three segments. [Detailed description of the preferred embodiment]! 2 1

I2Sft72S 傳輸區塊集分段可使用在各種無線通信系統中，例如分 頻雙工/分碼多重存取（FDD/CDMA)、分時雙工/分碼多重存 取（TDD/CDMA)、和正交分頻多工（OFDM)通信系統。 要支援高資料傳送速率，大的TBS大小應用於每一TTI。 為了允許大TBS大小的重新傳送，在更堅實調變和編碼集合 時確保成功的傳送，提供了分段資訊給TBS傳輸。圖2舉例 說明在一 TTI中有分段資訊（SI)的一 TBS。在所舉例說明的 TBS當中之資料被分段成多重分段，分段1到分段N。每一分 段製造成有可由一更堅實調變和編碼集合所支援的資料大 小。分段資訊（SI)與TBS資料一起多工。雖然分段資訊在圖2 中顯示成一表頭，但分段資訊可設於TBS傳輸結構當中（頻 帶內）的任何地方。分段資訊可用來當成TBS的分段。 替代地，圖3A舉例說明使用控制發訊來送出分段資訊。 控制訊號在與分段資料，分段1到分段N (頻帶內），分離的 頻道（頻帶外）上送出。分段資訊指示TBS分段的方式，以在 接收器中用來重建原來的TBS。 圖3B舉例說明使用一分段識別符（SID)作為頻帶內分段資 訊。分段1到分段N，每一分段有一對應的分段識別符，SID 1到SID 2，與那個分段的資料（頻帶內）一起多工。圖3C說明 使用_ SID作為頻帶外分段資訊。 圖4說明對一分段的TBS之一較佳分段識別符。媒體存取 控制器（MAC)分配一傳輸序號（TSN)到每一潛在的分段。如 果TBS被分段了，每一分段的資料與那個分段的TSN相關 聯。如圖4所示，每一分段有它自己的TSN，TSN 1到TSN N。 在使用H-ARQ的一無線通信系統中，TSNs分配給每一TBS以 10I2Sft72S transmission block set segmentation can be used in various wireless communication systems, such as frequency division duplex / code division multiple access (FDD / CDMA), time division duplex / code division multiple access (TDD / CDMA), and Orthogonal Frequency Division Multiplexing (OFDM) communication system. To support high data transfer rates, a large TBS size is applied to each TTI. In order to allow retransmissions of large TBS sizes and to ensure successful transmission when more robust modulation and coding sets are provided, segmented information is provided for TBS transmission. Figure 2 illustrates a TBS with segment information (SI) in a TTI. The data in the illustrated TBS is segmented into multiple segments, segment 1 to segment N. Each segment is made with a data size that can be supported by a more robust set of modulation and coding. Segment information (SI) multiplexes with TBS data. Although the segment information is shown as a header in Figure 2, the segment information can be set anywhere in the TBS transmission structure (in-band). Segment information can be used as a segment of TBS. Alternatively, FIG. 3A illustrates the use of control signaling to send out segment information. The control signal is sent on a separate channel (out-of-band) from the segment data, segment 1 to segment N (in-band). The segmentation information indicates the manner in which the TBS is segmented to be used in the receiver to reconstruct the original TBS. Figure 3B illustrates the use of a segment identifier (SID) as the in-band segment information. Segments 1 to N, each segment has a corresponding segment identifier, SID 1 to SID 2, and multiplexes with the data (in-band) of that segment. Figure 3C illustrates the use of SID as out-of-band segment information. Figure 4 illustrates a preferred segment identifier for a segmented TBS. The media access controller (MAC) assigns a transmission sequence number (TSN) to each potential segment. If TBS is segmented, the data for each segment is associated with the TSN for that segment. As shown in Figure 4, each segment has its own TSN, TSN 1 to TSN N. In a wireless communication system using H-ARQ, TSNs are allocated to each TBS by 10

允許循序處理。使用TSN作為一分段識別符，減少所需的修 改且將系統的額外複雜性減到最小以適應分段。 圖5是用以重新傳送分段中的一TBS之發射器44和接收器 46的簡化圖。發射器44可能位於一使用者裝置或一基地站 台/節點-B。接收器46可能位於一基地站台/節點-B或一使用 者裝置。在目前的系統實施中，AMC通常只使用在向下鏈 結中。因此，傳送區塊分段的較佳實施是供使用在支援向 下鏈結的AMC中。對在向上鏈結中使用AMC的其他系統來 說，傳送區塊分段可應用於向上鏈結。 —發射器30在空中介面36上傳送一 TBS。一接收器38接收 所傳輸的TBS。一 H-ARQ解碼器42解碼每一所接收的TBS。如 果丁BS品質測試失敗，一重新傳送的請求由ARQ發射器40提 出。一ARQ接收器32接收請求並指示要重新傳送的TBS。所 重新傳送的TBS由H-ARQ解碼器42組合，並執行另一品質測 試。一旦TBS通過品質測試，它被釋出供進一步處理。 一 AMC控制器34也顯示在圖5中。如果頻道條件改變，AMC 控制器可能啟始用來傳遞資料的調變和編碼集之改變。圖6 是說明在Η-ARQ重新傳送之間AMC中發生的此種改變之流 程圖。所傳輸的TBS未通過品質測試且請求了一重新傳送 (第50步驟）。使用圖7說明，傳輸了 一 TBS，且如一“X”所指 示接收的傳輸未通過品質測試。判斷為了成功的傳輸需要 改變成一更堅實的調變和編碼集合（第52步驟）。因為需要一 更堅實的調變和編碼集合，相同大小TBS的重新傳送可能不 可行。重置Η-ARQ程序，並使用TBS分段裝置46分段TBS (第 54步驟）。通常，對於實體層分段，重置H-ARQ程序對適當 11Allows sequential processing. Using TSN as a segment identifier reduces the required modifications and minimizes the additional complexity of the system to accommodate segmentation. Fig. 5 is a simplified diagram of a transmitter 44 and a receiver 46 for retransmitting a TBS in a segment. The transmitter 44 may be located on a user device or a base station / node-B. The receiver 46 may be located at a base station / node-B or a user device. In current system implementations, AMC is usually only used in the down link. Therefore, the preferred implementation of transport block segmentation is for use in AMCs that support downlinks. For other systems that use AMC in the uplink, the transfer block segmentation can be applied to the uplink. -The transmitter 30 transmits a TBS over the air interface 36. A receiver 38 receives the transmitted TBS. An H-ARQ decoder 42 decodes each received TBS. If the BS quality test fails, a retransmission request is made by the ARQ transmitter 40. An ARQ receiver 32 receives the request and indicates the TBS to be retransmitted. The retransmitted TBS is combined by the H-ARQ decoder 42 and another quality test is performed. Once the TBS passes the quality test, it is released for further processing. An AMC controller 34 is also shown in FIG. If channel conditions change, the AMC controller may initiate modulation and code set changes used to communicate the data. Figure 6 is a flowchart illustrating such changes that occur in AMC between Η-ARQ retransmissions. The transmitted TBS failed the quality test and requested a retransmission (step 50). Using FIG. 7 illustrates that a TBS was transmitted and the received transmission as indicated by an "X" failed the quality test. Judge that for a successful transmission it needs to be changed to a more solid set of modulation and coding (step 52). Because a more robust set of modulation and coding is required, retransmissions of the same size TBS may not be feasible. Reset the Η-ARQ program and segment the TBS using the TBS segmenting device 46 (step 54). In general, for physical layer segmentation, reset the H-ARQ procedure to the appropriate 11

的運作不是必要的。原來的TBS之每一分段或分段的子集有 與新的調變和編碼集合相容的大小。使用圖7說明，原來的 TBS分段成三個分段，SEG1、SEG2、和SEG3。那些分段以更 堅實的調變和編碼集合重新傳送（第56步驟）。 每一分段或分段的子集使用新的調變和編碼集合個別地 傳輸。如圖7所說明，SEG1、SEG2、和SEG3分開地傳輸和接 收。依調變和編碼的選擇而定，任何子集可分開地傳輸和 接收（SEG1 & SEG3、或SEG2 & SEG3等）也是可能的。如果一 分段或分段的子集之傳輸失敗，ARQ發射器40請求那個分段 或分段的子集之重新傳送。分段或分段的子集之傳輸和重 新傳送結合，直到分段或分段的子集通過品質測試。 為了減少分段資訊所需之增加的耗用時間，當要利用分 段選擇項時最好選擇性地規定節點-B。舉例說明，如果頻 道條件在降低或預期會降低，可能利用分段選擇項。此判 斷可能根據頻道品質測量、對特定調變和編碼集合的先前 傳輸成功/失敗率、或其他標準而來。—分段控制器48，最 好如圖5所示在節點-B中，決定是否支援分段。分段控制器 與MAC協調運作，以將分段資訊加到™S。分段決定可能根 據各種因素，例如通訊單元負載、增加的使用者、先前重 新傳送的數目、和所測量的頻道品質。 〔圖式符號〕 20 發射器 22 自動重送請求接收器 24 空中介面 26 接收器 12Operation is not necessary. Each segment or subset of the original TBS has a size compatible with the new modulation and coding set. With reference to Fig. 7, the original TBS is segmented into three segments, SEG1, SEG2, and SEG3. Those segments are retransmitted with a more solid set of modulation and coding (step 56). Each segment or subset of segments is transmitted individually using the new modulation and coding set. As illustrated in Figure 7, SEG1, SEG2, and SEG3 are transmitted and received separately. Depending on the choice of modulation and coding, it is also possible that any subset can be transmitted and received separately (SEG1 & SEG3, or SEG2 & SEG3, etc.). If the transmission of a segment or a subset of segments fails, the ARQ transmitter 40 requests a retransmission of that segment or a subset of segments. The transmission and retransmission of a segment or a subset of segments are combined until the segment or a subset of segments pass the quality test. In order to reduce the increased elapsed time required for segmentation information, it is best to selectively specify node-B when segmentation options are to be used. For example, if channel conditions are decreasing or expected to decrease, segmentation options may be used. This judgment may be based on channel quality measurements, previous transmission success / failure rates for a particular modulation and coding set, or other criteria. -Segmentation controller 48, preferably in node-B, as shown in Fig. 5, decides whether to support segmentation. The segmentation controller works in conjunction with the MAC to add segmentation information to the ™ S. The segmentation decision may be based on various factors such as communication unit load, increased users, number of previous retransmissions, and measured channel quality. [Symbol] 20 transmitter 22 automatic retransmission request receiver 24 air interface 26 receiver 12

.Afe 日 I.Afe Day I

28 i 動 重 送 請 求 發 射 器 30 混 合 的 白 動 重 送 請 求 解 碼 器 30 發 射 器 32 白 動 重 送 δ冃 求 接 收 器 34 白 適 性 調 變 和 編 碼 控 制 器 36 空 中 介 面 38 接 收 器 40 白 動 重 送 請 求 發 射 器 42 混 合 的 白 動 重 送 請 求 解 碼 器 44 發 射 器 46 接 收 器 46 傳 輸 區 塊 集 分 段 裝 置 48 分 段 判 斷 裝 置 1328 i dynamic retransmission request transmitter 30 mixed white dynamic retransmission request decoder 30 transmitter 32 white dynamic retransmission δ request receiver 34 white adaptive modulation and coding controller 36 air interface 38 receiver 40 white dynamic retransmission Send request transmitter 42 Mixed white motion resend request decoder 44 Transmitter 46 Receiver 46 Transmission block set segmentation device 48 Segmentation judgment device 13

Claims (1)

拾、申請專利範圍： 1. 一種在使用自適性調變和編碼且具有一實體層混合的自 動重送請求機制之一無線通信系統中用以傳送一傳輸區 塊集的資料之方法，該方法包含： 提供傳輸區塊集的可能分段分段資訊； 以一第一規定調變和編碼方案傳送該傳输區塊集； 接收該傳輸區塊集，並判斷所接收的傳輸區塊集是否 滿足一規定品質； 當不滿足該第一規定品質時，傳送一重送請求； 改變該規定調變和編碼集合為一第二規定調變和編碼 集合； 在該重送請求之後，依照所提供的分段資訊將該傳輸 區塊集分段成複數個分段； 傳送該等分段，其中至少二個分段分開地傳輸；和 接收該所傳輸的分段。 2. 如申請專利範圍第1項之方法，進一步包含對每一所傳輸 的分段執行一品質測試。 3. 如申請專利範圍第2項之方法，進一步包含如果其中之一 分段未通過品質測試，重新傳輸該分段。 4. 如申請專利範圍第1項之方法，其中一控制訊息包含該分 段資訊，且該控制訊息與該等分段分開傳送。 5. 如申請專利範圍第1項之方法，其中該分段資訊是對每一 分段的一分段指示器。 6. 如申請專利範圍第1項之方法，其中該分段資訊是對每一 分段的一傳輸序號。 7. 如申請專利範圍第1項之方法，其中提供該分段資訊只選 14 Γ&η3\ ..π 」一—:?〕 ^_— 擇性地提供。 8•如申請專利範圍第6項之方法，其中一分段判斷裝置判斷 是否要提供該分段資訊。 9. 一種使用自適性調變和編碼且具有一實體層混合的自動 重送請求機制用以傳送一傳輸區塊集的資料之一基地站 台，該基地站台包含： 一發射器，以用一第一規定調變和編碼方法傳送傳輸 區塊集，且能夠傳送傳輸區塊集的分段，其中至少二分 | 段分開地傳輸； 一自動重送請求接收器，用以接收一重送請求； 一自適性調變和編碼控制器，用以將該規定調變和編 碼集合改變成一第二規定調變和編碼集合；和 一分段裝置，在接收一重送請求和改變成該第二規定 調變和編碼集合之後，用以依照分段資訊將傳輸區塊集 分段成複數個分段，以供該發射器傳輸。 10. 如申請專利範圍第9項之基地站台，其中該基地站台接收 φ 一含有分段資訊的控制訊息，且該控制訊息與該等分段 分開送出。 11. 如申請專利範圍第9項之基地站台，其中該分段資訊是每 一分段的一分段指示器。 12. 如申請專利範圍第9項之基地站台，其中該分段資訊是每 一分段的一傳輸序號。 Π.如申請專利範圍第9項之基地站台，進一步包含一分段判 斷裝置，用以藉由諝求該分段資訊判斷是否要支援分段。 14. 一種使用自適性調變和編碼且具有一實髖層混合的自動 15Scope of patent application: 1. A method for transmitting data of a transmission block set in a wireless communication system using adaptive modulation and coding and a physical layer hybrid automatic retransmission request mechanism, the method Including: providing possible segmentation information of the transmission block set; transmitting the transmission block set with a first prescribed modulation and coding scheme; receiving the transmission block set, and determining whether the received transmission block set is Meet a specified quality; When the first specified quality is not met, send a retransmission request; change the specified modulation and coding set to a second specified modulation and coding set; after the retransmission request, follow the provided The segment information segments the transmission block set into a plurality of segments; transmits the segments, of which at least two segments are transmitted separately; and receives the transmitted segment. 2. The method of claim 1 further includes performing a quality test on each transmitted segment. 3. The method of claim 2 further includes if one of the segments fails the quality test, retransmitting the segment. 4. For the method in the first scope of the patent application, one of the control messages contains the segment information, and the control message is transmitted separately from the segments. 5. The method of claim 1 in which the segment information is a segment indicator for each segment. 6. The method of claim 1 in which the segment information is a transmission sequence number for each segment. 7. For the method of the first item in the scope of patent application, in which the segment information is provided, only 14 Γ & η3 \ ..π "" — —?] ^ _— is provided selectively. 8 • As in the method of claim 6 of the scope of patent application, one of the segment judgment devices determines whether to provide the segment information. 9. A base station using adaptive modulation and coding and an automatic retransmission request mechanism with a physical layer mix to transmit data of a transmission block set, the base station comprising: a transmitter for using a first A prescribed modulation and coding method is used to transmit the transmission block set, and is capable of transmitting the segment of the transmission block set, at least two of which are transmitted separately; an automatic retransmission request receiver for receiving a retransmission request; An adaptive modulation and coding controller for changing the prescribed modulation and coding set into a second prescribed modulation and coding set; and a segmentation device, upon receiving a retransmission request and changing into the second prescribed modulation and encoding After encoding the set, the transmission block set is divided into a plurality of segments according to the segmentation information for transmission by the transmitter. 10. If the base station of item 9 of the scope of patent application, the base station receives a control message φ containing segment information, and the control message is sent separately from these segments. 11. If the base station of item 9 of the patent application scope, the segment information is a segment indicator for each segment. 12. For the base station under the scope of patent application item 9, the segment information is a transmission serial number of each segment. Π. The base station of item 9 of the scope of patent application, further includes a segment judgment device for determining whether segmentation is to be supported by requesting the segment information. 14. An auto with adaptive modulation and coding and a solid hip mix 15 重送請求機制用以傳送一傳輸區塊集的資料之一基地站 口，該基地站台包含： 以用一第一規定調變和編碼方法傳送傳輸區塊集，且 能夠傳送傳輸區塊集的分段之構件，其中至少二分段分 開地傳輸； 用以接收一重送請求之構件； 用以將該規定調變和編碼集合改變成一第二規定調變 和編碼集合之構件； 用以響應接收一重送請求和改變成該第二規定調變和 編碼集合之構件；和 用以依照該分段資訊將該傳輸區塊集分段成複數個分 段，以供該發射器傳輸之構件。 15. 如申請專利範圍第14項之基地站台，其中該基地站台接 收含有該分段資訊的一控制訊息，且該控制訊息與該等 分段分開送出。 16. 如申諝專利範圍第14項之基地站台，其中該分段資訊是 每一分段的一分段指示器。 17. 如申請專利範圍第14項之基地站台，其中該分段資訊是 每一分段的一傳輸序號。 18. 如申請專利範圍第14項之基地站台，進一步包含用以藉 由請求該分段資訊判斷是否要支援分段的構件。 19. 一種在使用自適性調變和編碼且具有一寅體層混合的自 動重送請求機制的無線通信系統中用以接收一傳輸區塊 集的資料之使用者裝置，該使用者裝置包含： 用以接收一傳輸區塊集和判斷所接收的該傳輸區塊集 16A retransmission request mechanism is a base station port for transmitting data of a transmission block set. The base station includes: transmitting the transmission block set by a first prescribed modulation and coding method, and capable of transmitting A segmented component, of which at least two segments are transmitted separately; a component for receiving a retransmission request; a component for changing the specified modulation and coding set to a second specified modulation and coding set; and a response for receiving A retransmission request and a component that changes to the second prescribed modulation and coding set; and a component for segmenting the transmission block set into a plurality of segments for transmission by the transmitter according to the segment information. 15. For the base station under the scope of application for patent No. 14, wherein the base station receives a control message containing the segment information, and the control message is sent separately from the segments. 16. For example, the base station of the scope of patent application No. 14 in which the segment information is a segment indicator for each segment. 17. For the base station under the scope of application for patent No. 14, wherein the segment information is a transmission serial number of each segment. 18. If the base station of the scope of patent application No. 14 further includes a component for judging whether or not to support the segment by requesting the segment information. 19. A user device for receiving data of a transmission block set in a wireless communication system using adaptive modulation and coding and an automatic retransmission request mechanism with a body-layer hybrid, the user device comprising: To receive a transmission block set and judge the received transmission block set 16 是否滿足一規定品質之構件； 用以在後績傳輸中接收該等傳輸區塊集的分段，所傳 輸的該等分段使用一不同於該傳輸區塊集的調變和編碼 集合，且其中至少二個分段分開地傳輸之構件； 用以判斷每一所接收的該傳輸區塊集和分段是否滿足 一規定品質之構件，·和 用以在該傳輸區塊集或分段未滿足規定品質時傳送一 重送諝求之構件。 20.如申請專利範圍第19項之使用者裝置，其中該用以接收 一傳輸區塊集和判斷所接收的該傳輸區塊集是否滿足一 規定品質，和用以在後績傳輸中接收該等傳輸區塊集的 分段，所傳輸的該等分段使用一不同於該傳輸區塊集的 調變和編碼集合，且其中至少二個分段分開地傳輸之構 件係為一接收器。 21·如申諝專利範圍第19項之使用者裝置，其中該用以判斷 每一所接收的該傳輸區塊集和分段是否滿足一規定品質 之構件係為一混合的自動重送請求解碼器。 22如申諝專利範圍第19項之使用者裝置，其中該用以在該 傳輸區塊集或分段未滿足規定品質時傳送一重送請求之 構件係為一自動的重送請求發射器。 23· —種在使用自適性調變和編碼且具有一實體層混合的自 動重送請求機制的無線通信系統中用以傳送一傳輸區塊 集的資料之方法，該方法包含： 選擇性地支援一傳輸區塊集的分段； 如果未選擇支援分段，使用該實體層混合的自動重送 17Whether a component of a specified quality is satisfied; used to receive the segments of the transmission block set during subsequent transmission, the transmitted segments use a modulation and coding set different from the transmission block set, and At least two of the components are transmitted separately; components used to determine whether each received transmission block set and segment meets a specified quality; and When the specified quality is met, a resending component is transmitted. 20. The user device as claimed in claim 19, wherein the user device is used to receive a transmission block set and judge whether the received transmission block set meets a specified quality, and is used to receive the transmission result in subsequent performance transmission. Such as the transmission block set segments, the transmitted transmission segments use a modulation and coding set different from the transmission block set, and a component in which at least two segments are transmitted separately is a receiver. 21. The user device as claimed in claim 19 of the patent scope, wherein the component used to determine whether each received transmission block set and segment meets a specified quality is a hybrid automatic retransmission request decoding Device. 22 The user device of claim 19, wherein the component for transmitting a retransmission request when the set of transmission blocks or segments does not meet the prescribed quality is an automatic retransmission request transmitter. 23 · —A method for transmitting data of a transmission block set in a wireless communication system using adaptive modulation and coding and an automatic retransmission request mechanism with a physical layer hybrid, the method includes: selectively supporting A fragment of a transport block set; if fragmentation is not selected, use automatic retransmission of the physical layer mix 17 諝求機制傳送傳輸該區塊集； 如果選擇了支援分段： 附加分段資訊到該傳輸區塊集；和 在使用該實體層混合的自動重送諝求機制傳輸之 前，使用所附加的分段資訊選擇性地分段該傳輸區塊集。 24. 如申諝專利範圍第23項之方法，其中該選擇性地支援是 根據一通訊單元負載決定的。 25. 如申請專利範圍第23項之方法，其中該選擇性地支援是 # 根據所增加的使用者決定的。 26. 如申諝專利範圍第23項之方法，其中該選擇性地支援是 根據一混合的自動重送請求重新傳送的數目決定的。 27. 如申諝專利範圍第23項之方法，其中該選擇性地支援是 根據一所測量的頻道品質決定的。 28. —種在使用自適性調變和編碼且具有實髖層混合的自動 重送諝求機制的無線通信系統中用以傳送一傳輸區塊集 的資料之基地站台，該基地站台包含： # 一分段判斷裝置，用以判斷是否需要分段資訊；如果 需要分段資訊，送出一訊號；和 一分段裝置，用以在使用該實體層混合的自動重送請 求機制傳輸之前，使用如該訊號所請求之附加的分段資 訊選擇性地分段傳輸該區塊集。 29. 如申請專利範圍第28項之基地站台，其中該判斷是以一 通訊單元負載為基礎。 30. 如申諝專利範圍第28項之基地站台，其中該判斷是以戶斤 增加的使用者為基礎。 18The request mechanism transmits the block set for transmission; if support segmentation is selected: attaches segmentation information to the transmission block set; and uses the additional element before transmitting using the physical layer hybrid automatic retransmission request mechanism transmission. The segment information selectively segments the transmission block set. 24. The method of claim 23, wherein the selective support is determined based on a communication unit load. 25. The method of applying scope 23 of the patent application, wherein the selective support is # determined by the added users. 26. The method of claim 23, wherein the selective support is determined based on the number of retransmissions of a hybrid automatic retransmission request. 27. The method of claim 23, wherein the selective support is determined based on a measured channel quality. 28. A base station for transmitting a set of transmission block data in a wireless communication system using adaptive modulation and coding and an automatic retransmission request mechanism with real hip mix, the base station includes: # A segmentation judging device is used to judge whether segmented information is needed; if segmented information is needed, a signal is sent; and a segmentation device is used to transmit using the physical layer hybrid automatic retransmission request mechanism before using The additional segment information requested by the signal selectively transmits the block set in segments. 29. If the base station of the scope of patent application No. 28, the judgment is based on a communication unit load. 30. For the base station in the 28th area of the patent application, the judgment is based on the increased users. 18 31. 如申請專利範圍第28項之基地站台，其中該判斷是以一 混合的自動重送請求重新傳送的數目為基礎。 32. 如申請專利範圍第2 8項之基地站台，其中該判斷是以 一所測量的頻道品質為基礎。31. If the base station of the scope of patent application No. 28, the judgment is based on the number of retransmissions of a mixed automatic retransmission request. 32. If the base station of the scope of patent application No. 28, the judgment is based on a measured channel quality. 1919
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